The Picasso Wishbone Dyneema 1.7 mm Bobine 50 m White is a durable and high-performance line that is ideal for use with spearguns. It is made of a combination of nylon and Dyneema fibers, which are known for their exceptional strength and resistance to abrasion. The line is also coated with a protective layer that adds further durability and helps prevent tangling or knotting.